cleaned up, removed warning under MSVC2005 (Level 4)

Mostly related to alignment and unused variables

src/BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h

@@ -37,6 +37,8 @@ public:
 	{
 		virtual	btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1)
 		{
+			(void)body0;
+			(void)body1;
 			return new btEmptyAlgorithm(ci);
 		}
 	};